Linux · Security advisory · September 10, 2026
RHSA-2026:64804: 389-ds-base security update
RHSA-2026:64804, released September 10, 2026, fixes 4 CVEs in 389-ds-base (version 3.0.6-21.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0085
58th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 1
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| 389-ds-base | RHEL 10 | 3.0.6-21.el10_0 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-18922 | 389-ds-base: A flaw was found in 389 Directory Server | 9.8 | 0.0056 | None reported | |
| High | CVE-2026-18453 | 389-ds-base: A flaw was found in 389 Directory Server | 9.8 | 0.0085 | None reported | |
| High | CVE-2026-18355 | 389-ds-base: A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base) | 9.8 | 0.0084 | None reported | |
| High | CVE-2026-76560 | 389-ds-base: A flaw was found in 389 Directory Server | 9.8 | 0.0056 | None reported |
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